C1311213331333132332133313331333133313331333133313331333133313113321123221   >>    C131121333133313233213331333133313331333133313331333133313331311332112322   <<    C1311213331333132332133313331333133313331333133313331333133313113321123223   >>      C1311213331333132332133313331333133313331333133313331333133313113321123222   >>